A trendy ingredient bombshell has entered the villa. Or we're officially obsessed with an ingredient that started in South Korea, and now it's all over our American beauty shelves and TikTok...
Source: [E! Online](https://www.eonline.com/news/1428131/what-is-pdrn-heres-what-experts-say-about-k-beautys-salmon-sperm-hype?cmpid=rss-syndicate-genericrss-us-top_stories)